# -*- coding:utf-8 -*-
#Author LJ 
#Mail:admin@attacker.club
#Site:blog.attacker.club
#description
import string
str = 'abcde'
list = list(str)
list
['a', 'b', 'c', 'd', 'e']
str
'abcde'
str_convert = ''.join(list)
str_convert
'abcde'